FUD Zilla claims NVIDIA is going to overhaul its graphics card design and bring a range of graphics card to the market that will be radically different from current designs. The site heard NVIDIA is focusing on less complex designs which will be much cheaper to manufacture:

From what we've been told, the new cards are going to look very different and for those that were around a few years ago, this is meant to be something of a blast from the past. Much in the way that Intel went back to its Pentium III roots to create the Core 2 series of processors, Nvidia has taken a long hard look at what it did in the past.

What this means is that we should be seeing much simpler PCB designs from Nvidia in the future with far less components on the graphics cards. Expect the three and four phase power regulation to be a memory of the past, as Nvidia is going for a simple single phase power regulation design.
Not only will this save manufacturing costs as the bill of materials will be lower, but it should hopefully make for easier cards to cool with fever hot parts and simpler cooler designs.

However, it's uncertain if this will apply to NVIDIA's entire range of graphics cards. It may only be applied to some models like entry-level cards.